Municipalities in Japan: Structure, Types, and Local Government

Types of municipalities

• Cities (shi) — larger urban municipalities that often gain expanded administrative authority and may be subdivided internally.
• Towns (chō or machi) — smaller population centers that provide standard municipal services for residents in more localized areas.
• Villages (mura or son) — typically rural localities with smaller populations and simpler administrative structures.
• Special wards (tokubetsu-ku) — the 23 municipal-level wards of Tokyo that together make up the Tokyo Metropolis and function with city-like responsibilities.

Within the broad category of cities there are further distinctions: some large cities are designated to take on additional duties normally handled by prefectures, and these may be classified as designated, core, or special cities. Those designations are intended to devolve administrative functions to more local authorities in proportion to population and capacity.

Functions and governance

Municipal governments are typically headed by an elected mayor and supported by an elected assembly. They administer public education through municipal schools, manage local infrastructure and land use, deliver social welfare services, collect certain taxes and fees, and maintain civil registries. Municipalities also prepare local budgets and ordinances within the framework of national law and prefectural oversight.

History and development

The modern municipal system in Japan traces back to reforms in the late 19th century that established standardized local government structures. Since then, national policy and demographic change have driven waves of consolidation; mergers have been encouraged to improve administrative efficiency and fiscal stability. One notable period of such mergers in recent decades reorganized many small towns and villages into larger municipal units.

Understanding municipalities is important for grasping how public services are delivered across Japan’s geographically diverse landscape. The distinction between ordinary cities and Tokyo’s special wards is often highlighted because the wards exercise a level of autonomy similar to cities while also forming parts of a single metropolitan government. For practical matters such as address registration, schooling, and local permits, residents engage directly with their municipality, making these entities central to daily life.